Q: What is the negative version of the number 20,500,001?
A: -20,500,001
Negative numbers are usually written with - in front of them. They represent a number that is less than zero.
Here are more examples of negative numbers in sequence:
| 20,499,999 | 20,500,000 | 20,500,002 | 20,500,003 |
| -20,499,999 | -20,500,000 | -20,500,002 | -20,500,003 |